Q1. 16
17
18
There are three different types of haemoglobin in the blood of an adult human. Each haemoglobin molecule
is composed of four polypeptide chains.
The table shows information about these types of haemoglobin.
Type of
haemoglobin
Percentage
present in the
blood (%)
Types of
polypeptide chain
present
No Calend
Looking good
wide oper
HbA,
,
96
2a and 28
НБА,
3
2a and 26
Hbf
1
2a and 2y
Calculate the ratio of polypeptide chains present in the blood of an adult human.